查詢結果分析
來源資料
相關文獻
- 叢枝菌根對寄生植物磷吸收之影響
- 放線菌Frankia及囊叢枝菌根菌對木賊葉木麻黃生長、固氮作用及耐鹽性之效應
- 泥炭苔對叢枝菌根菌繁殖之影響
- 微生物接種對苦柚及文旦柚種苗生長之效應
- 囊叢枝內生菌根菌在臺灣代表性土壤中之分布
- 叢枝菌根菌與磷肥對數種葉菜類硝酸根離子含量之影響
- 同位素[fee4]N稀釋法在菌根化相思樹苗木根瘤共生固氮作用之評估與參考植物之選擇
- 叢枝菌根菌於茄科作物之應用
- Occurrence of Graniferous Tracheary Elements in the Haustorium of Cassytha filiformis Linn., A Stem Parasite of Lauraceae
- 叢枝菌根對茄子穴盤育苗及田間生長之影響
頁籤選單縮合
題 名 | 叢枝菌根對寄生植物磷吸收之影響=The Effect of Arbuscular Mycorrhizae on Phosphate Uptake of Host Plants |
---|---|
作 者 | 陳健忠; 張喜寧; | 書刊名 | 中國園藝 |
卷 期 | 43:3 1997.09[民86.09] |
頁 次 | 頁175-181 |
分類號 | 430.16341 |
關鍵詞 | 叢枝菌根菌; 寄生植物; 磷吸收; Arbuscular mycorrhizal fungus; Host plant; Phosphate uptake; |
語 文 | 中文(Chinese) |
中文摘要 | 具有叢枝菌根的植物之磷吸收速率常較無菌根者為高,原因是根外菌絲能直接吸收土壤中之可溶性磷,並且擴大吸收之範圍。雖然土壤中之磷肥過高可能會抑制菌根菌之感染,但只要植物已形成菌根後,土壤中之高磷含量並不一定會使根外菌絲之磷吸收速率下降。根外菌絲所吸收的磷可在菌絲內形成聚合磷酸鹽顆粒,聚合磷酸鹽顆粒藉由菌絲內部之細胞質流運至叢枝體,之後則以解離之方式與寄主光合產物在中間介面處以反向運輸進入根細胞內。 |
英文摘要 | Due to the low mobility of phosphate in soil a depletion zone of phosphate evolves in the rhizosphere of soil-grown roots. Plants with arbuscular mycorrhizae (AM) frequently exhibit increased inflow of phosphate in comparison to non-mycorrhiza controls. This response is most often attributed to a direct uptake of phosphate and the extension of the phosphate uptake zone by external hyphae of AM fungi. Colonization of roots by AM fungi is often suppressed by high levels of soluble phosphate. However, the high concentration of phosphate may not cause low inflow of phosphate by external hyphae if the colonized roots were formed. Phosphate is taken up and probably translocated as polyphosphate granules by protoplasmic streaming before being hydrolyzed in the arbuscules prior to photosynthate antiport across the host-fungus interface. |
本系統中英文摘要資訊取自各篇刊載內容。